General

  • Target

    fbae53e539c388e11c4f330ba6e2010f_JaffaCakes118

  • Size

    2.0MB

  • Sample

    240420-cfm5fade76

  • MD5

    fbae53e539c388e11c4f330ba6e2010f

  • SHA1

    2d16711a395bd0f27756fab2f4f744a4f3a9f4c4

  • SHA256

    d70954b2e608f3d2f4561364035d3c4958743a668db083f21a7b216a820ca539

  • SHA512

    b0ff9c987c836da8ac5df7dda796bd70509112e25fa3cd1eda895964b15ad211eecc159c9910925a4f001cec2d691c42c542c922660a3149393d05eb398c4e54

  • SSDEEP

    24576:X0a/3paargPZtr1msdlDTtcSqxSrj8X27aBRmFMA9MxlCZ/W5DUulT777fcS:h3p9gLrIydqxy8Xf/m+Auxuy577

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/879456588325355560/3tZf_QDFmZ6QGOe8DwHiYbH3_1NLE4daVz3SuCc7otWv_q4f9i1UIPgEu_CjqmgzPeix

Extracted

Family

njrat

Version

v2.0

Botnet

clean

C2

lola111222.ddns.net:6611

Mutex

Windows

Attributes
  • reg_key

    Windows

  • splitter

    |-F-|

Targets

    • Target

      fbae53e539c388e11c4f330ba6e2010f_JaffaCakes118

    • Size

      2.0MB

    • MD5

      fbae53e539c388e11c4f330ba6e2010f

    • SHA1

      2d16711a395bd0f27756fab2f4f744a4f3a9f4c4

    • SHA256

      d70954b2e608f3d2f4561364035d3c4958743a668db083f21a7b216a820ca539

    • SHA512

      b0ff9c987c836da8ac5df7dda796bd70509112e25fa3cd1eda895964b15ad211eecc159c9910925a4f001cec2d691c42c542c922660a3149393d05eb398c4e54

    • SSDEEP

      24576:X0a/3paargPZtr1msdlDTtcSqxSrj8X27aBRmFMA9MxlCZ/W5DUulT777fcS:h3p9gLrIydqxy8Xf/m+Auxuy577

    • Detect ZGRat V1

    • Mercurial Grabber Stealer

      Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

8
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

7
T1082

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks